Home / 165,964.60-248,946.90-47,639.80

Finding the Fourth Proportional to 165,964.60, 248,946.90 and 47,639.80

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Solution

The fourth proportional to 165,964.60, 248,946.90 and 47,639.80 is: 71,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,964.60 : 248,946.90 = 47,639.80 : x
  2. Step 2: Convert to fraction form
    165,964.60/248,946.90 = 47,639.80/x
  3. Step 3: Cross multiply
    165,964.60x = 248,946.90 × 47,639.80
  4. Step 4: Simplify right side
    165,964.60x = 11,859,780,526.62
  5. Step 5: Solve for x
    x = 11,859,780,526.62/165,964.60
  6. Step 6: Final answer
    x = 71,459.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.